Re: 2.2 kernel and ext3 filesystems

From: Chuck Campbell (campbell_at_accelinc.com)
Date: 01/28/04

  • Next message: Marcelo Tosatti: "[PATCH] PC300 update" 
    Date:	Wed, 28 Jan 2004 14:58:10 -0600
To: "Theodore Ts'o" <tytso@mit.edu>, linux-kernel@vger.kernel.org

    On Mon, Jan 26, 2004 at 08:27:17PM -0500, Theodore Ts'o wrote:
    >
    > There were also some bug fixes that I'm pretty sure were never
    > backported into the 2.2 tree....

    I may be being stung by this as we speak.

    I mounted this ext3 filesystem as ext2 on my 2.2.16 kernel system. I made
    some changes to some files (simple edits), and now when I reboot the box in
    2.2.16, I get the following:

    mount: wrong fs type, bad option, bad superblock on /dev/hdb2,
           or too many mounted filesystems

    in /var/log/messages I see:
    EXT2-fs warning: mounting unchecked fs, running e2fsck is recommended
    EXT2-fs: ide0(3,66): couldn't mount because of unsupported optional features.

    I'm reticent to run any e2fsck as old as 2.2.16 kernel version against
    this filesystem, in fear of damaging it. Is this a sane thing to consider,
    or do I need to put this disk back into a more recent box and try to mount it/
    fsck it there?

    Alternatively, where might I dig up an ext3 patch against linux-2.2.x, so
    I can build a kernel that will support this? I assume I would need file
    utilities that support it as well?

    thanks,
    -chuck 

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